On the use of directional transforms for still image coding

Tim Bruylants, Joeri Barbarien, Adrian Munteanu, Jan Cornelis, Peter Schelkens

Research output: Chapter in Book/Report/Conference proceedingConference paper

4 Citations (Scopus)

Abstract

Significant research has been performed on the use of directional transforms for the compression of still imagery, in particular on the application of block-based and segmentation driven directional adaptive discrete wavelet transforms. However, all of the proposed methodologies suffer from the extra side-information that needs to be encoded. This encoding overhead and added complexity is unfortunately not negligible. This paper describes various considerations and trade-offs that were made during the search towards a practical solution for using directional adaptive transforms in still image coding. We propose two codec instantiations respectively based upon quadtree-coding (QT-L) and JPEG 2000's EBCOT engine and discuss various experimental results.
Original languageEnglish
Title of host publicationSPIE Photonics, Applications of Digital Image Processing XXXIV
Volume8135
Publication statusPublished - 23 Sep 2011
EventUnknown -
Duration: 23 Sep 2011 → …

Publication series

Name
Number19

Conference

ConferenceUnknown
Period23/09/11 → …

Keywords

  • image coding
  • compression
  • directional
  • ebcot
  • jpeg

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